Vulnerability Description
An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sensiolabs | Symfony | >= 2.7.0, < 2.7.50 |
| Fedoraproject | Fedora | 28 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106249Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00009.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/May/21
- https://symfony.com/blog/cve-2018-19790-open-redirect-vulnerability-when-using-sPatchVendor Advisory
- https://www.debian.org/security/2019/dsa-4441
- http://www.securityfocus.com/bid/106249Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00009.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/May/21
- https://symfony.com/blog/cve-2018-19790-open-redirect-vulnerability-when-using-sPatchVendor Advisory
FAQ
What is CVE-2018-19790?
CVE-2018-19790 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_fa...
How severe is CVE-2018-19790?
CVE-2018-19790 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-19790?
Check the references section above for vendor advisories and patch information. Affected products include: Sensiolabs Symfony, Fedoraproject Fedora, Debian Debian Linux.